/* 基础样式设置 */
body{
    padding: 0;
    margin: 0%;
    height: 100%;
    background-color: rgb(237 , 239, 241);
}

#app{
    overflow: hidden;
}

html,
body {
  padding: 0;
  margin: 0;
}
 
html,
body,

 
textarea {
  border: none;
  outline: none;
}
 
button {
  border: none;
  outline: none;
}
 
a {
  text-decoration: none;
  color: #333;
}
 
li {
  list-style-type: none;
}